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Sm2Al3Cu14

Alexandria ALEX

Alex-ID: agm007976745 · Space group: P6_3/mmc (#194)

Basic Information

Formula
Sm2Al3Cu14
Alex-ID
agm007976745
Elements
3
Sites
38
Space group
P6_3/mmc (#194)
Crystal system
hexagonal
Volume
552.67
ų
Cell a
8.6903
Å
Cell b
8.6903
Å
Cell c
8.4501
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm2Al3Cu14
Sm
4.00 · 10.5%
Al
6.00 · 15.8%
Cu
28.00 · 73.7%

Energy & Stability

Energy above hull
0.0301
eV/atom
Formation energy
-0.1734
eV/atom
Corrected total energy
-164.4352
eV
Raw total energy
-164.4352
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0137
eV
DOS at Fermi level
24.9278
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B3C14_7_spg194

Decomposition

Sm2Al11Cu15 SmAlCu4 Cu

Computed at

2024-12-30 20:54:03

Citation

Alexandria website
https://alexandria.icams.rub.de/
Attribution

The crystal structure and related material properties of this entry were obtained from the Alexandria database (Alex-ID: agm007976745).

Reference

Th. Cavignac, J. Schmidt, P.-P. De Breuck, A. Loew, T. F. T. Cerqueira, H.-C. Wang, A. Bochkarev, Y. Lysogorskiy, A. H. Romero, R. Drautz, S. Botti and M. A. L. Marques. AI-Driven expansion and application of the Alexandria database. J. Phys. Mater. 9, 025014 (2026). https://doi.org/10.1088/2515-7639/ae6620

BibTeX
@article{Cavignac2026Alexandria,
  author  = {Cavignac, Th{\'e}o and Schmidt, Jonathan and De Breuck, Pierre-Paul and Loew, Antoine
             and Cerqueira, Tiago F. T. and Wang, Hai-Chen and Bochkarev, Anton
             and Lysogorskiy, Yury and Romero, Aldo H. and Drautz, Ralf and Botti, Silvana
             and Marques, Miguel A. L.},
  title   = {{AI}-Driven expansion and application of the {A}lexandria database},
  journal = {Journal of Physics: Materials},
  year    = {2026},
  volume  = {9},
  number  = {2},
  pages   = {025014},
  doi     = {10.1088/2515-7639/ae6620},
  url     = {https://doi.org/10.1088/2515-7639/ae6620}
}

3D Crystal Structure Rendering

Loading 3D structure…

Style: Ball & Stick
Raw CIF Data
# CIF generated by HEAS from Alexandria entry agm007976745
data_agm007976745
_cell_length_a     8.69032
_cell_length_b     8.69032
_cell_length_c     8.45013
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00000
_cell_volume       552.67009
_symmetry_space_group_name_H-M 'P 1'
_symmetry_Int_Tables_number 1
loop_
_symmetry_equiv_pos_as_xyz
  'x, y, z'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
  Sm1 Sm 0.00000 0.00000 0.25000 1.00000
  Sm2 Sm 0.00000 0.00000 0.75000 1.00000
  Sm3 Sm 0.33333 0.66667 0.75000 1.00000
  Sm4 Sm 0.66667 0.33333 0.25000 1.00000
  Al1 Al 0.50000 0.50000 0.50000 1.00000
  Al2 Al 0.50000 0.00000 0.50000 1.00000
  Al3 Al 0.00000 0.50000 0.50000 1.00000
  Al4 Al 0.50000 0.50000 0.00000 1.00000
  Al5 Al 0.50000 0.00000 0.00000 1.00000
  Al6 Al 0.00000 0.50000 0.00000 1.00000
  Cu1 Cu 0.33333 0.66667 0.39683 1.00000
  Cu2 Cu 0.66667 0.33333 0.60317 1.00000
  Cu3 Cu 0.66667 0.33333 0.89683 1.00000
  Cu4 Cu 0.33333 0.66667 0.10317 1.00000
  Cu5 Cu 0.32930 0.36892 0.25000 1.00000
  Cu6 Cu 0.63108 0.96039 0.25000 1.00000
  Cu7 Cu 0.03961 0.67070 0.25000 1.00000
  Cu8 Cu 0.63108 0.67070 0.25000 1.00000
  Cu9 Cu 0.03961 0.36892 0.25000 1.00000
  Cu10 Cu 0.32930 0.96039 0.25000 1.00000
  Cu11 Cu 0.67070 0.63108 0.75000 1.00000
  Cu12 Cu 0.36892 0.03961 0.75000 1.00000
  Cu13 Cu 0.96039 0.32930 0.75000 1.00000
  Cu14 Cu 0.36892 0.32930 0.75000 1.00000
  Cu15 Cu 0.96039 0.63108 0.75000 1.00000
  Cu16 Cu 0.67070 0.03961 0.75000 1.00000
  Cu17 Cu 0.16564 0.83436 0.51774 1.00000
  Cu18 Cu 0.16564 0.33127 0.51774 1.00000
  Cu19 Cu 0.66873 0.83436 0.51774 1.00000
  Cu20 Cu 0.83436 0.16564 0.48226 1.00000
  Cu21 Cu 0.83436 0.66873 0.48226 1.00000
  Cu22 Cu 0.33127 0.16564 0.48226 1.00000
  Cu23 Cu 0.83436 0.16564 0.01774 1.00000
  Cu24 Cu 0.83436 0.66873 0.01774 1.00000
  Cu25 Cu 0.33127 0.16564 0.01774 1.00000
  Cu26 Cu 0.16564 0.83436 0.98226 1.00000
  Cu27 Cu 0.16564 0.33127 0.98226 1.00000
  Cu28 Cu 0.66873 0.83436 0.98226 1.00000
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